The dropping level of Medina Lake is marked by exposed land in this view from Medina Dam, Tuesday, Feb. 4, 2014. According to today's reading by the Texas Water Development Board, the lake is at 3.5-percent capacity. less

The dropping level of Medina Lake is marked by exposed land in this view from Medina Dam, Tuesday, Feb. 4, 2014. According to today's reading by the Texas Water Development Board, the lake is at 3.5-percent ... more

Photo: Jerry Lara, San Antonio Express-News

The dropping level of Medina Lake is marked by exposed land in this... Photo-5825826.31321 - San Antonio Express-News

Residents on Medina Lake use all terrain vehicles to get down to the water's edge, on Thursday, July 4, 2013. Drought conditions on Medina Lake, on Monday, July 1, 2013. The lake is currently at 5.2 percent full. less

Residents on Medina Lake use all terrain vehicles to get down to the water's edge, on Thursday, July 4, 2013. Drought conditions on Medina Lake, on Monday, July 1, 2013. The lake is currently at 5.2 percent ... more

Photo: Bob Owen, San Antonio Express-News

Residents on Medina Lake use all terrain vehicles to get down to... Photo-5150000.31321 - San Antonio Express-News

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A lakeside home stands far above the receding waters of Medina Lake, which has dropped to 6.5 percent of capacity on Wednesday, April 3, 2013.

A lakeside home stands far above the receding waters of Medina Lake, which has dropped to 6.5 percent of capacity on Wednesday, April 3, 2013.

Photo: Billy Calzada, San Antonio Express-News

A lakeside home stands far above the receding waters of Medina... Photo-4426559.31321 - San Antonio Express-News

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Randall Myers, left, of the Texas Parks and Wildlife inland fisheries division, and Chris Heyen, who runs the Red Cove Cafe & Marina at Medina Lake, explore the waters of the lake, which is only 6.5 percent full, on Wednesday, April 3, 2013. less

Randall Myers, left, of the Texas Parks and Wildlife inland fisheries division, and Chris Heyen, who runs the Red Cove Cafe & Marina at Medina Lake, explore the waters of the lake, which is only 6.5 percent ... more

USGS officials measure the bottom of Medina Lake Thursday Nov. 29, 2012 at the base of the dam in an effort to better measure how much water remains in the lake, which was 10.93 percent full on Thursday according to the Texas Water Deelopment Board website www.waterdatafortexas.org. As of Thursday the lake was 68.99 feet below conservation pool. less

USGS officials measure the bottom of Medina Lake Thursday Nov. 29, 2012 at the base of the dam in an effort to better measure how much water remains in the lake, which was 10.93 percent full on Thursday ... more

USGS officials measure the bottom of Medina Lake Thursday Nov. 29, 2012 at the base of the dam in an effort to better measure how much water remains in the lake, which was 10.93 percent full on Thursday according to the Texas Water Deelopment Board website www.waterdatafortexas.org. As of Thursday the lake was 68.99 feet below conservation pool. less

USGS officials measure the bottom of Medina Lake Thursday Nov. 29, 2012 at the base of the dam in an effort to better measure how much water remains in the lake, which was 10.93 percent full on Thursday ... more

A still-under-construction home is seen on Medina Lake Thursday Nov. 29, 2012. As of Thursday the lake was 68.99 feet below conservation pool, or 10.93 percent full according to the Texas Water Development Board website www.waterdatafortexas.org. less

A still-under-construction home is seen on Medina Lake Thursday Nov. 29, 2012. As of Thursday the lake was 68.99 feet below conservation pool, or 10.93 percent full according to the Texas Water Development ... more

Photo: William Luther, San Antonio Express-News

A still-under-construction home is seen on Medina Lake Thursday... Photo-3816116.31321 - San Antonio Express-News

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A fence line sits high and dry Thursday Nov. 29, 2012 on a section of the Media Lake lakebed that hasn't been above the water in at least 50 years. As of Thursday the lake was 68.99 feet below conservation pool, or 10.93 percent full according to the Texas Water Development Board website www.waterdatafortexas.org. less

A fence line sits high and dry Thursday Nov. 29, 2012 on a section of the Media Lake lakebed that hasn't been above the water in at least 50 years. As of Thursday the lake was 68.99 feet below conservation ... more

Photo: William Luther, San Antonio Express-News

A fence line sits high and dry Thursday Nov. 29, 2012 on a section... Photo-3816115.31321 - San Antonio Express-News

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USGS officials measure the bottom of Medina Lake Thursday Nov. 29, 2012 at the base of the dam in an effort to better measure how much water remains in the lake, which was 10.93 percent full on Thursday according to the Texas Water Deelopment Board website www.waterdatafortexas.org. As of Thursday the lake was 68.99 feet below conservation pool. less

USGS officials measure the bottom of Medina Lake Thursday Nov. 29, 2012 at the base of the dam in an effort to better measure how much water remains in the lake, which was 10.93 percent full on Thursday ... more

The upper end of Diversion Lake-just below the Medina Lake dam-is seen Tuesday Oct. 23, 2012 as the BMA releases water from Medina Dam. San Antonio Water System requested the release to ensure it has enough water to run its Medina River treatment plant. The Medina dam flood gates had previously been closed since the first week of September to attempt to conserve water. less

The upper end of Diversion Lake-just below the Medina Lake dam-is seen Tuesday Oct. 23, 2012 as the BMA releases water from Medina Dam. San Antonio Water System requested the release to ensure it has enough ... more

Photo: William Luther, San Antonio Express-News

The upper end of Diversion Lake-just below the Medina Lake dam-is... Photo-3640085.31321 - San Antonio Express-News

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The upper end of Diversion Lake, just below the Medina Lake dam, is seen looking down river Tuesday Oct. 23, 2012 after the BMA began releasing water from the Medina dam. San Antonio Water System requested the release to ensure it has enough water to run its Medina River treatment plant. The Medina dam flood gates had previously been closed since the first week of September to attempt to conserve water. less

The upper end of Diversion Lake, just below the Medina Lake dam, is seen looking down river Tuesday Oct. 23, 2012 after the BMA began releasing water from the Medina dam. San Antonio Water System requested the ... more

Photo: William Luther, San Antonio Express-News

The upper end of Diversion Lake, just below the Medina Lake dam, is... Photo-3640541.31321 - San Antonio Express-News

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The upper end of Diversion Lake, just below the Medina Lake dam, is seen looking up river Tuesday Oct. 23, 2012 after the BMA began releasing water from the Medina dam. San Antonio Water System requested the release to ensure it has enough water to run its Medina River treatment plant. The Medina dam flood gates had previously been closed since the first week of September to attempt to conserve water. less

The upper end of Diversion Lake, just below the Medina Lake dam, is seen looking up river Tuesday Oct. 23, 2012 after the BMA began releasing water from the Medina dam. San Antonio Water System requested the ... more

Photo: William Luther, San Antonio Express-News

The upper end of Diversion Lake, just below the Medina Lake dam, is... Photo-3640091.31321 - San Antonio Express-News

Image 49 of 95

The upper end of Diversion Lake, just below the Medina Lake dam, is seen looking up river Tuesday Oct. 23, 2012 after the BMA began releasing water from the Medina dam. San Antonio Water System requested the release to ensure it has enough water to run its Medina River treatment plant. The Medina dam flood gates had previously been closed since the first week of September to attempt to conserve water. less

The upper end of Diversion Lake, just below the Medina Lake dam, is seen looking up river Tuesday Oct. 23, 2012 after the BMA began releasing water from the Medina dam. San Antonio Water System requested the ... more

Photo: William Luther, San Antonio Express-News

The upper end of Diversion Lake, just below the Medina Lake dam, is... Photo-3641789.31321 - San Antonio Express-News

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Two large pieces of equipment that appear to be two of the non-function outlet valves on the Medina Dam that were replaced during recent renovation work, are seen Thursday Sept. 6, 2012 next to the dam.

Two large pieces of equipment that appear to be two of the non-function outlet valves on the Medina Dam that were replaced during recent renovation work, are seen Thursday Sept. 6, 2012 next to the dam.

Photo: William Luther, San Antonio Express-News

Two large pieces of equipment that appear to be two of the... Photo-3435855.31321 - San Antonio Express-News

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The Medina River is seen Thursday Sept. 6, 2012 as it flows under County Road 2615 north of Castroville. The outlets on Medina Dam were closed by the BMA on Wednesday to conserve water in the lake which stood over 64 feet below normal pool Thursday, according to the Texas Water Development Board's website, making the reservoir only 13.41 percent full. less

The Medina River is seen Thursday Sept. 6, 2012 as it flows under County Road 2615 north of Castroville. The outlets on Medina Dam were closed by the BMA on Wednesday to conserve water in the lake which stood ... more

Photo: William Luther, San Antonio Express-News

The Medina River is seen Thursday Sept. 6, 2012 as it flows under... Photo-3430224.31321 - San Antonio Express-News

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Moss-covered rocks still wet from a slightly higher recent water level are seen Thursday Sept. 6, 2012 on the Medina River at County Road 477 just north of Castroville. The outlets on Medina Dam were closed by the BMA on Wednesday to conserve water in the lake which stood over 64 feet below normal pool Thursday, according to the Texas Water Development Board's website, making the reservoir only 13.41 percent full. less

Moss-covered rocks still wet from a slightly higher recent water level are seen Thursday Sept. 6, 2012 on the Medina River at County Road 477 just north of Castroville. The outlets on Medina Dam were closed by ... more

Diversion Lake just south of the Medina Dam is seen Thursday Sept. 6, 2012. The outlets on Medina Dam were closed by the BMA on Wednesday to conserve water in Medina Lake which stood over 64 feet below normal pool Thursday, according to the Texas Water Development Board's website, making the reservoir only 13.41 percent full. less

Diversion Lake just south of the Medina Dam is seen Thursday Sept. 6, 2012. The outlets on Medina Dam were closed by the BMA on Wednesday to conserve water in Medina Lake which stood over 64 feet below normal ... more

Photo: William Luther, San Antonio Express-News

Diversion Lake just south of the Medina Dam is seen Thursday Sept.... Photo-3430225.31321 - San Antonio Express-News

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The Diversion Lake portion of the Medina River just down stream from Medina Dam is seen Thursday Sept. 6, 2012. The outlets on Medina Dam were closed by the BMA on Wednesday to conserve water in Medina Lake which stood over 64 feet below normal pool Thursday, according to the Texas Water Development Board's website, making the reservoir only 13.41 percent full. less

The Diversion Lake portion of the Medina River just down stream from Medina Dam is seen Thursday Sept. 6, 2012. The outlets on Medina Dam were closed by the BMA on Wednesday to conserve water in Medina Lake ... more

Photo: William Luther, San Antonio Express-News

The Diversion Lake portion of the Medina River just down stream... Photo-3430232.31321 - San Antonio Express-News

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Medina Lake is seen Wednesday Aug. 29, 2012. The Texas Water Development Board reported Wednesday, via its website, the lake is 13.88 percent full and is 63.34 feet below normal pool elevation.

Medina Lake is seen Wednesday Aug. 29, 2012. The Texas Water Development Board reported Wednesday, via its website, the lake is 13.88 percent full and is 63.34 feet below normal pool elevation.

A back hoe stands on top of Medina Lake dam Wednesday Aug. 29, 2012. The Texas Water Development Board reported Wednesday, via its website, the lake is 13.88 percent full and is 63.34 feet below normal pool elevation. less

A back hoe stands on top of Medina Lake dam Wednesday Aug. 29, 2012. The Texas Water Development Board reported Wednesday, via its website, the lake is 13.88 percent full and is 63.34 feet below normal pool ... more

Photo: William Luther, San Antonio Express-News

A back hoe stands on top of Medina Lake dam Wednesday Aug. 29,... Photo-3430216.31321 - San Antonio Express-News

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Boat docks once floating over deep water are stranded high and dry Wednesday Aug. 29, 2012 on Medina Lake. The Texas Water Development Board reported Wednesday, via its website, the lake is 13.88 percent full and is 63.34 feet below normal pool elevation. less

Boat docks once floating over deep water are stranded high and dry Wednesday Aug. 29, 2012 on Medina Lake. The Texas Water Development Board reported Wednesday, via its website, the lake is 13.88 percent full ... more

Photo: William Luther, San Antonio Express-News

Boat docks once floating over deep water are stranded high and dry... Photo-3430217.31321 - San Antonio Express-News

Image 58 of 95

Boat docks once floating over deep water are stranded high and dry Wednesday Aug. 29, 2012 on Medina Lake. The Texas Water Development Board reported Wednesday, via its website, the lake is 13.88 percent full and is 63.34 feet below normal pool elevation. less

Boat docks once floating over deep water are stranded high and dry Wednesday Aug. 29, 2012 on Medina Lake. The Texas Water Development Board reported Wednesday, via its website, the lake is 13.88 percent full ... more